Science

Saturday, 5 September 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Amber
Heated amber emits a pine-tree fragrance.
lava
Lava can take many different forms.
Common forms are aa, pahoehoe and pillow lava.
Earth
Depending on the classification, there are five to seven continents on Earth.
According to the most common division, there are Europe, Asia, North America, South America, Africa, ...
Tears
The frequency of crying depends on human nature.
There is no equation to calculate how often people cry. It depends on various factors, such as emoti ...
Liver
Liver produces bile.
It allows to digest fats and proteins. It is also essential to regulating blood glucose.
Mushrooms
Fungi have developed a high degree of metabolic versatility, which allows them to use a variety of organic substances for growth.
In some species, the pigment melanin may play a role in extracting energy from ionizing radiation such as gamma radiation.
NASA
The most memorable mission of Project Mercury was Freedom 7.
The liftoff took place on May 5th, 1961. It allowed Alan Shepard Jr. to go down in history as the fi ...
Enceladus
On February 17 and March 9, 2005, the Cassini spacecraft flew by the moon and discovered the moon's faint and thin atmosphere.
Brain
There are approximately 100 billion neurons in the human brain.
Most neurons are found in the cerebellum, ranging from 55 to 70 billion. The cerebral cortex, or what makes us intelligent beings, is made up of 14 to 16 billion neurons.
NASA
On May 12th, 2022, NASA’s Event Horizon Telescope captured the first image of the supermassive black hole at the center of the Milky Way.